20090728 (number)
20090728 is an even 8-digits composite number following 20090727 and preceding 20090729. In scientific notation, it is written as 2.0090728 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 64 positive divisors. There are 8164800 positive integers (up to 20090728) that are relatively prime to 20090728.
Interesting facts
- 20090728 has 64 divisors, whose sum is 45342720
- The reverse of 20090728 is 82709002
- Previous prime number is 31
Basic properties
- Is Prime? no
- Number parity even
- Number length 8
- Sum of Digits 28
- Digital Root 1
Name
Name | twenty million ninety thousand seven hundred twenty-eight |
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Notation
Scientific notation | 2.0090728 × 10^7 |
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Engineering notation | 2.0090728 × 10^6 |
Prime Factorization of 20090728
Prime Factorization 2 × 2 × 2 × 7 × 71 × 31 × 163
Composite numberω | Distinct Factors | 5 | Total number of distinct prime factors |
---|---|---|---|
Ω | Total Factors | 7 | Total number of prime factors |
rad | Radical | 5022682 | Product of the distinct prime numbers |
The prime factorization of 20090728 is 2 × 2 × 2 × 7 × 71 × 31 × 163. Since it has a total of 7 prime factors.
Most popular turbo-numbers
Basic calculations (n = 20090728)
Multiplication
n×yn×2 | 40181456 |
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n×3 | 60272184 |
n×4 | 80362912 |
n×5 | 100453640 |
Division
n÷yn÷2 | 10045364 |
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n÷3 | 6696909.3333333 |
n÷3 | 5022682 |
n÷5 | 4018145.6 |
Exponentiation
nyn2 | 403637351569984 |
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n3 | 8.1093682410329E+21 |
n4 | 1.6292311158243E+29 |
n5 | 3.2732439197163E+36 |
Nth Root
y√n2√n | 4482.2681758235 |
---|---|
3√n | 271.85159869045 |
4√n | 66.949743657638 |
5√n | 28.880129399702 |
Divisors of 20090728
64 divisors
τ | Total Divisors | 64 | Total number of the positive divisors of n |
---|---|---|---|
σ | Sum of Divisors | 1 | Sum of all the positive divisors of n |
s | Aliquot Sum | -20090727 | Sum of the proper positive divisors of n |
A | Arithmetic Mean | 0.015625 | Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n)) |
G | Geometric Mean | 1 | Returns the nth root of the product of n divisors |
H | Harmonic Mean | 64 | Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors |
The number 20090728 can be divided by 64 positive divisors. The sum of these divisors (counting 20090728) is 1, the average is 0.015625.
Base conversion 20090728
Base | System | Value |
---|---|---|
2 | Binary | 1001100101000111101101000 |
3 | Ternary | 1101210201022001 |
4 | Quaternary | 1030220331220 |
5 | Quinary | 20120400403 |
6 | Senary | 1554340344 |
8 | Octal | 114507550 |
10 | Decimal | 20090728 |
12 | Duodecimal | 688a6b4 |
16 | Hexadecimal | 1328f68 |
20 | Vigesimal | 65b6g8 |
36 | Base36 | bym3s |
Cryptographic Hash Functions
md5 | 7d9458f21475d4286e2961a1d5a8c49d |
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sha1 | c44459b8b7a9dae50cdb6868d23f3bcbee19f1aa |
sha256 | 3884fad33b527cdf10c6325976d4b544f35f52f2dd518e526202f616019cac19 |
sha512 | 027dd5e64bac3d4dae4bdb09ec09f6791791cb628eb686e34dcca1a12d9fee02fc54c909060c974879511a7ec41df7cad9a41f75129a3f4383680302538982e4 |
ripemd-160 | 5eaf98534f624ee2f4260af0c7b785ae26f8d098 |
20090728 as geometric shapes
Circle
Radius = nDiameter | 40181456 |
---|---|
Circumference | 126233766.98014 |
Area | 1.2680641384067E+15 |
Sphere
Radius = nVolume | 3.3968442255045E+22 |
---|---|
Surface area | 5.0722565536268E+15 |
Circumference | 126233766.98014 |
Square
Length = nPerimeter | 80362912 |
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Area | 403637351569984 |
Diagonal | 28412580.015549 |
Cube
Length = nSurface area | 2421824109419904 |
---|---|
Volume | 8.1093682410329E+21 |
Space diagonal | 34798161.657047 |
Equilateral Triangle
Length = nPerimeter | 60272184 |
---|---|
Area | 1.7478010018794E+14 |
Altitude | 17399080.828523 |
Triangular Pyramid
Length = nSurface area | 1.7478010018794E+14 |
---|---|
Volume | 9.5569821239553E+20 |
Height | 9470860.005183 |